If one party fails to perform this duty, the party in need of maintenance shall have the right to demand maintenance payments from the other party.

一方不履行扶养义务时，需要扶养的一方，有要求对方付给扶养费的权利。

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The reliability and maintainability of spare in the process of equipment maintenance are studied in this paper, and the significant factors which have influence on spare demand rate are analyzed.

通过研究装备维修过程中器件的固有可靠性和维修性，着重分析了影响维修器件需求率的主要因素。

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Therefore reasonable conformability of preventive maintenance cycle is necessary demand of scientific equipment maintenance decision.

因此，合理的确定预防维修周期是对设备进行科学维修决策的必然要求。

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Several analysts said copper could fall some more in the next couple of months due to this uncertain backdrop, and also because of slower seasonal demand during the vacation season and maintenance shutdowns in the Northern Hemisphere.

FORBES: Copper Expected To Languish Over Summer But Pick Up Into Year-End

The onset of the Libyan crisis fortuitously coincided with the peak of the European refinery outages, primarily linked to seasonal maintenance work, and thus lower demand for crude oil.

FORBES: Obama Taps Petroleum Reserve. Consider This Q.E. 3

As its initial action, the Task Force forged partnerships with the five largest manufacturing credentialing bodies to provide opportunities for service members to gain industry-recognized, nationally-portable certifications for high-demand manufacturing jobs -- including welding, machining, maintenance, and logistics -- almost all of which have median hourly wages above the national average.

WHITEHOUSE: The White House